:Product: 0523SGAS.txt
:Issued: 2021 May 23 0245 UTC
# Prepared jointly by the U.S. Dept. of Commerce, NOAA,
# Space Weather Prediction Center and the U.S. Air Force.
#
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 143 Issued at 0245Z on 23 May 2021
This report is compiled from data received at SWO on 22 May
A.  Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0247 0256 0300  2824 N17E37 C6.1  1n 270    39     II              
 0606 0617 0624  2824 N17E37 C6.0  1n 36            II              
 0645 0652 0658  2824 N17E37 C1.3  Sf 530                           
 0710 0844 1403  2824 N17E37 C1.3  Sf 130                           
 0819 0821 0821                       230                           
 1022 1022 1022                       220                           
 1117 1123 1129  2824 N24E18 C2.5  Sf 580                           
 1315 1315 1316                       570                           
 1512 1535 1544  2824 N21E17 C3.2  Sf 280                           
 1703 1711 1716  2824 N17E20 M1.1  1n 1100   17                     
 2130 2136 2143  2824 N19E15 M1.4  1n 3300   40                     
B.  Proton Events:  None.
C.  Geomagnetic Activity Summary:  The geomagnetic field was quiet.
D.  Stratwarm:  Not Available
E.  Daily Indices: (real-time preliminary/estimated values)
10 cm 076  SSN 019  Afr/Ap 005/004   X-ray Background B1.8
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 5.4e+04   GT 10 MeV 4.5e+04 p/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 3.90e+07 e/(cm2-ster-day)
(GOES-16 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 1 1 2 1 2 2 2 2 Planetary 2 1 1 0 1 1 2 2 
F.  Comments:  None.